Mop wringer



FIG. 1 is a top isometric view of the mop wringer;

FIG. 2 is a bottom isometric view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a plan bottom view thereof. 

The ornamental design for a mop wringer, as shown and described. 